Plugin 'com.mulgasoft.emacsplus' failed to initialize and will be disabled.? Please restart IntelliJ IDEA.

java.lang.NoSuchMethodError: com.intellij.openapi.keymap.impl.KeymapImpl.readExternal(Lorg/jdom/Element;[Lcom/intellij/openapi/keymap/Keymap;)V

? ? at com.mulgasoft.emacsplus.keys.Keymaps.loadKeymap(Keymaps.java:119)

? ? at com.mulgasoft.emacsplus.keys.Keymaps.enableKeymap(Keymaps.java:108)

? ? at com.mulgasoft.emacsplus.keys.Keymaps.enableKeymaps(Keymaps.java:65)

? ? at com.mulgasoft.emacsplus.EmacsPlus.initComponent(EmacsPlus.java:60)

? ? at com.intellij.openapi.components.impl.ComponentManagerImpl$ComponentConfigComponentAdapter.getComponentInstance(ComponentManagerImpl.java:491)

? ? at com.intellij.openapi.components.impl.ComponentManagerImpl.createComponents(ComponentManagerImpl.java:120)

? ? at com.intellij.openapi.application.impl.ApplicationImpl.a(ApplicationImpl.java:466)

? ? at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:176)

? ? at com.intellij.openapi.progress.impl.CoreProgressManager.a(CoreProgressManager.java:556)

? ? at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:501)

? ? at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:66)

? ? at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:163)

? ? at com.intellij.openapi.application.impl.ApplicationImpl.createComponents(ApplicationImpl.java:473)

? ? at com.intellij.openapi.components.impl.ComponentManagerImpl.init(ComponentManagerImpl.java:104)

? ? at com.intellij.openapi.application.impl.ApplicationImpl.load(ApplicationImpl.java:425)

? ? at com.intellij.openapi.application.impl.ApplicationImpl.load(ApplicationImpl.java:411)

? ? at com.intellij.idea.IdeaApplication.run(IdeaApplication.java:203)

? ? at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

? ? at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

? ? at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

? ? at java.lang.reflect.Method.invoke(Method.java:498)

? ? at com.intellij.idea.MainImpl$1$1.a(MainImpl.java:63)

? ? at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)

? ? at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:762)

? ? at java.awt.EventQueue.access$500(EventQueue.java:98)

? ? at java.awt.EventQueue$3.run(EventQueue.java:715)

? ? at java.awt.EventQueue$3.run(EventQueue.java:709)

? ? at java.security.AccessController.doPrivileged(Native Method)

? ? at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)

? ? at java.awt.EventQueue.dispatchEvent(EventQueue.java:732)

? ? at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:343)

? ? at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)

? ? at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)

? ? at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)

? ? at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)

? ? at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)

? ? at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)